YARA · Malpedia signator rules
MALPEDIA_Win_Adkoob_Auto
autogenerated rule brought to you by yara-signator
- Author
- Felix Bilstein - yara-signator at cocacoding dot com
- Date
- 2026-05-04
- Modified
- 2026-05-18
- Score / Quality
- 75 / 75
What this rule detects
autogenerated rule brought to you by yara-signator
Associated malware family: Adkoob.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-adkoob-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Adkoob_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "31d519a5-a3ba-5bea-a6ea-39763307fca8"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.adkoob"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.adkoob_auto.yar#L1-L134"
= "N/A"
= "e36d952d51e8218edeee9b9628905297b79aaf46d498f66614e0fb63919bc975"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { 8b5678 85d2 740f 395a04 7406 8b12 85d2 }
$sequence_1 = { e8???????? 8d4618 e8???????? c20400 55 8bec 8a4508 }
$sequence_2 = { 8b442434 8bce 98 50 ff742414 ff742474 52 }
$sequence_3 = { 8b4b40 52 50 57 8bd6 e8???????? 8b7dec }
$sequence_4 = { e9???????? 8b45c8 8d55cc 52 50 8b08 ff511c }
$sequence_5 = { ff75d8 50 ff521c 385d08 6a04 58 0f45d8 }
$sequence_6 = { ffb6b0000000 6a03 e8???????? 83c410 33c0 40 8886aa000000 }
$sequence_7 = { ff75d8 8bcf 8bf0 ff75ec 6a4c 5a e8???????? }
$sequence_8 = { 894ddc 8b4d08 8b5104 8bce 8b1410 e8???????? 8945d0 }
$sequence_9 = { f7430800080000 7459 6b0118 89442424 8b4104 89442454 8b442438 }
condition:
7 of them and filesize < 1867776
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8b5678 85d2 740f 395a04 7406 8b12 85d2 } | |
| $sequence_1 | hex | { e8???????? 8d4618 e8???????? c20400 55 8bec 8a4508 } | |
| $sequence_2 | hex | { 8b442434 8bce 98 50 ff742414 ff742474 52 } | |
| $sequence_3 | hex | { 8b4b40 52 50 57 8bd6 e8???????? 8b7dec } | |
| $sequence_4 | hex | { e9???????? 8b45c8 8d55cc 52 50 8b08 ff511c } | |
| $sequence_5 | hex | { ff75d8 50 ff521c 385d08 6a04 58 0f45d8 } | |
| $sequence_6 | hex | { ffb6b0000000 6a03 e8???????? 83c410 33c0 40 8886aa000000 } | |
| $sequence_7 | hex | { ff75d8 8bcf 8bf0 ff75ec 6a4c 5a e8???????? } | |
| $sequence_8 | hex | { 894ddc 8b4d08 8b5104 8bce 8b1410 e8???????? 8945d0 } | |
| $sequence_9 | hex | { f7430800080000 7459 6b0118 89442424 8b4104 89442454 8b442438 } |
Condition
7 of them and filesize < 1867776In plain words (Heuristic)
- The file must be smaller than 1867776 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
Test this rule in your browser
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Licence & attribution
Author: Felix Bilstein - yara-signator at cocacoding dot com
Source repository: Malpedia signator rules @ c901f97b7d
Licence: Creative Commons Attribution-ShareAlike 4.0 (repository licence)
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 31d519a5-a3ba-5bea-a6ea-39763307fca8
Metadata
| version | 1 |
|---|---|
| tool | yara-signator v0.6.0 |
| signator_config | callsandjumps;datarefs;binvalue |
| malpedia_rule_date | 20260422 |
| malpedia_hash | a182e35da64e6d71cb55f125c4d4225196523f14 |
| malpedia_version | 20260504 |
| malpedia_license | CC BY-SA 4.0 |
| malpedia_sharing | TLP:WHITE |
Tags:FILE
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